略語大辞典 [Med] 15 IAS interatrial septum (of heart) 心房中隔. 心房を分割する壁.interatrial septum (of heart); or septum interatriale cordis; or inter-auricular septum; or septum atriorum cordis; [Med]. 丸善「略語大辞典」JLogosID : 11877682